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⚠️ DraftStandards Track: Core

EIP-8368: CPSB Recalibration for New Gas Limit

Re-derives the cost per state byte (CPSB) parameter introduced in EIP-8037 for a new reference block gas limit

Authors
Created2026-08-05
Discussion Linkhttps://ethereum-magicians.org/t/eip-8368-cpsb-recalibration-for-new-gas-limit/29293
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Contents
AbstractMotivationSpecificationRationaleBackwards CompatibilitySecurity ConsiderationsCopyright

Abstract

This proposal updates cost per state byte (CPSB), the unit gas cost per new state byte introduced in EIP-8037, by re-deriving it for a new reference block gas limit. All other parameters, mechanisms, and semantics defined in EIP-8037 are unaffected and remain unchanged.

This is a placeholder EIP. The new reference block gas limit, the re-derived CPSB value, and the accompanying rationale are still to be determined.

Motivation

EIP-8037 derives CPSB from a reference block gas limit of 150M gas units, noting that "if a future block gas limit increase materially changes the expected state growth rate, CPSB can be re-derived in a subsequent EIP." As the block gas limit increases beyond that reference point, CPSB needs to be recalibrated to keep state growth on target.

Specification

TBD. The CPSB value below will be re-derived using the same methodology as EIP-8037, with the reference block gas limit updated to a value still to be determined.

ParameterValue
CPSBTBD

Rationale

TBD

Backwards Compatibility

This EIP updates a parameter defined by EIP-8037 and inherits its backwards compatibility considerations.

Security Considerations

Needs discussion.

Copyright and related rights waived via CC0.

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